From: Anton Blanchard <anton@samba.org>
To: Andrew Morton <akpm@digeo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: smp overhead, and rwlocks considered harmful
Date: Sun, 23 Mar 2003 14:55:23 +1100 [thread overview]
Message-ID: <20030323035523.GF5981@krispykreme> (raw)
In-Reply-To: <20030322175816.225a1f23.akpm@digeo.com>
> One thing is noteworthy: ia32's read_unlock() is buslocked, whereas
> spin_unlock() is not.
Dont forget bitops/atomics used as spinlocks like the rmap pte chain lock.
Anton
next prev parent reply other threads:[~2003-03-23 3:47 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-23 1:58 Andrew Morton
2003-03-23 3:39 ` David S. Miller
2003-03-23 3:55 ` Anton Blanchard [this message]
2003-03-23 4:04 ` Andrew Morton
2003-03-23 6:25 ` Anton Blanchard
2003-03-23 12:33 ` Michael Vergoz
2003-03-23 15:17 ` Alan Cox
2003-03-23 21:43 ` Aaron Lehmann
2003-03-23 21:51 ` Andrew Morton
2003-03-23 6:34 Adam J. Richter
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